c09c691d40d8b935de4b60c92e1d4fc85f409fb546fd4a5e5b5483ae150fbf20

General

Target

revil-fixed.exe
Size

126KB
MD5

329b8aaea517a511908683b56446db99
SHA1

9abe20a9c460a3e530cb96658541c6d25700a529
SHA256

c09c691d40d8b935de4b60c92e1d4fc85f409fb546fd4a5e5b5483ae150fbf20
SHA512

172d290abe8fef35e8bea43319dc68092c61389257c73e94fcde68f67f97022c1bbda1fe50cd35775bda6e2473af1bad0e5cdb2ff7060e8365bbbe4765a3b3fa
SSDEEP

1536:oxOUyl20w8bVZQ40iMSO1fY+iUyQs2r8t5p1ySotICS4A6QdZls8XzUXiWr4X5Fg:oMhQNDEtb3A2ZHjUyWr4X5FTDUA

Score

10^/10

defense_evasion discovery persistence privilege_escalation ransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\yfq6y-readme.txt

Ransom Note

---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension yfq6y. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/08DCD1C616F5D272 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/08DCD1C616F5D272 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: XHIfzOFv1XEpO6GC93V7j6TtGagRIQNEdNBBb3lblSQ8R0V2sT7qxJMMto1aBwTj M3xiQj8ab5RfeZtWOZjwMZCGXe1FLk2VoyyHZXSzfFmSODldIDIn7c4QctjHyauU t5nUmEERaGLzk56DGPoApIc+9/MlNRnMVQd/Vyjo5b0K17NzBjYgKzeyBnrg8tBR /wmn1rk1ZeD2FWX8t+3JMH01w6ZBgjtoIXHSooa5hyX4HVrZzu/eg4zEVkUCMP5l 1dIh5UmwEphlhS+92Wjbc58KHgR9v06WJI7A2MUtbCE0znKeO9XAd7OorB0QAj8u /ieAGJXMetBFGEgVkzzMzvidAgdSUKIoIcNvsRzTlMJfZDAvLXCFlCWLzrVbULMh ba90raTvFq25t1ZE0e89IUy0DL2Gltxn20ion2kTZ44pxqK7GiEwzjnhk8mI5Pgg 799mtHQvU7kXW95hVnc4U/wANZzVKG9Wr9kksFHzz32++2xKtTn652za3+5HDnYz twGMlO2gvfwTpNpQ+Z7KYHAo/pEpkXOYM62NKiqqSSZib0TTdeP23wnzDN7hEm3o LSXdKcUM9Up6O8mo+U2kEBa4ixAHVK3DGacnzgGyKCX3THNsVCtapeFhBCfV0bWh fRSnEowqiKkqgPNtEPcW34642KvHhWEV08IaWalQy9IBMt8iMjVzZDMHbKfzFnQh tm7y4nEOB+gR46V9YYCPTEchdKDENlixb7RTMzWa9m7zPI/KBJSLVSc18Yg2iZoD ygy16oq+EPSmwHYxd/FA8I8KE8850Oke7NmBx4qp1mEuqXIDQl/k3RuYpvbcXr9t YcclacurQEZDp2zj+GKiwdX49hRJpdbgzWxqNoDV5fsToE/qEO1ajDc2f8/Kar4e tXzwmJi67thcTECp+esWsEbkUsd1oKJ/n3yMK9bRoFrinlAw+QqClaalPQ4+NUbO xzjbC6+3f3s5eGvjpikuL/T9bGZDCFNq+Sq+G4+gnv1vfYuliFW4KpiwBOQsBsZL badjMsCI7gosFpiFjekg9FualMcVFmMr6mYSAFO2Zcf8lyyMT2FSn2QhVPceJLGb dHXDTM4nakGTTFoDB2LCOlg6lnya4UtsuCYSc26YXMD5RdZxxaSNfnERO7azGG8H d1zkiNoYvhOnfwwgVjJfrN8r2fLPfJlrmUqiH+SIs+U5b5fSJoyMiuR8bylggTSg /SBh7ldvFFjsLH+f8u45MYqKbxNogDvwYaem/ODZx/MAq73G3zoJODwYLAfmJ+4A sm5ExSufKEOCHoC1XGfK07TLUVWiQF9bHvqYBk9nRTAhmRooHj/famLjw1YmsnbG lsE4k9pdfR3d/d7cHDdZVU6kQD0boi/FAV4= ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus solutions - its may entail damage of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!

URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/08DCD1C616F5D272

http://decoder.re/08DCD1C616F5D272

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3036	netsh.exe

Enumerates connected drives 3 TTPs 25 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\R:	revil-fixed.exe
File opened (read-only)	\??\T:	revil-fixed.exe
File opened (read-only)	\??\Y:	revil-fixed.exe
File opened (read-only)	\??\B:	revil-fixed.exe
File opened (read-only)	\??\L:	revil-fixed.exe
File opened (read-only)	\??\P:	revil-fixed.exe
File opened (read-only)	\??\S:	revil-fixed.exe
File opened (read-only)	\??\U:	revil-fixed.exe
File opened (read-only)	\??\Z:	revil-fixed.exe
File opened (read-only)	\??\F:	revil-fixed.exe
File opened (read-only)	\??\E:	revil-fixed.exe
File opened (read-only)	\??\H:	revil-fixed.exe
File opened (read-only)	\??\J:	revil-fixed.exe
File opened (read-only)	\??\K:	revil-fixed.exe
File opened (read-only)	\??\O:	revil-fixed.exe
File opened (read-only)	\??\V:	revil-fixed.exe
File opened (read-only)	\??\W:	revil-fixed.exe
File opened (read-only)	\??\G:	revil-fixed.exe
File opened (read-only)	\??\N:	revil-fixed.exe
File opened (read-only)	\??\X:	revil-fixed.exe
File opened (read-only)	\??\D:	revil-fixed.exe
File opened (read-only)	\??\A:	revil-fixed.exe
File opened (read-only)	\??\I:	revil-fixed.exe
File opened (read-only)	\??\M:	revil-fixed.exe
File opened (read-only)	\??\Q:	revil-fixed.exe

Drops file in Program Files directory 26 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\MoveSync.mpe	revil-fixed.exe
File opened for modification	\??\c:\program files\msedge_installer.log	revil-fixed.exe
File opened for modification	\??\c:\program files\NewShow.search-ms	revil-fixed.exe
File opened for modification	\??\c:\program files\CheckpointTest.mpg	revil-fixed.exe
File opened for modification	\??\c:\program files\RegisterGroup.docx	revil-fixed.exe
File opened for modification	\??\c:\program files\ResolveConvertFrom.css	revil-fixed.exe
File opened for modification	\??\c:\program files\RevokePing.js	revil-fixed.exe
File opened for modification	\??\c:\program files\SuspendProtect.3gp	revil-fixed.exe
File opened for modification	\??\c:\program files\UninstallUnlock.vdx	revil-fixed.exe
File opened for modification	\??\c:\program files\EnterWrite.ttf	revil-fixed.exe
File opened for modification	\??\c:\program files\ImportUnregister.jpeg	revil-fixed.exe
File created	\??\c:\program files\tmp	revil-fixed.exe
File created	\??\c:\program files (x86)\tmp	revil-fixed.exe
File created	\??\c:\program files (x86)\yfq6y-readme.txt	revil-fixed.exe
File opened for modification	\??\c:\program files\ConvertInvoke.dot	revil-fixed.exe
File opened for modification	\??\c:\program files\DenyTest.ods	revil-fixed.exe
File opened for modification	\??\c:\program files\PublishRestart.pptm	revil-fixed.exe
File opened for modification	\??\c:\program files\FindImport.emf	revil-fixed.exe
File opened for modification	\??\c:\program files\GetSelect.pptm	revil-fixed.exe
File opened for modification	\??\c:\program files\RegisterDebug.mp2	revil-fixed.exe
File opened for modification	\??\c:\program files\StopEdit.vst	revil-fixed.exe
File opened for modification	\??\c:\program files\ExportUnregister.clr	revil-fixed.exe
File created	\??\c:\program files\yfq6y-readme.txt	revil-fixed.exe
File opened for modification	\??\c:\program files\chrome_installer.log	revil-fixed.exe
File opened for modification	\??\c:\program files\ClearCompress.docm	revil-fixed.exe
File opened for modification	\??\c:\program files\MergeGrant.svgz	revil-fixed.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	revil-fixed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4084	revil-fixed.exe
4084	revil-fixed.exe
4084	revil-fixed.exe
4084	revil-fixed.exe
4084	revil-fixed.exe
4084	revil-fixed.exe
4084	revil-fixed.exe
4084	revil-fixed.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4084	revil-fixed.exe
Token: SeTakeOwnershipPrivilege	4084	revil-fixed.exe
Token: SeBackupPrivilege	1436	vssvc.exe
Token: SeRestorePrivilege	1436	vssvc.exe
Token: SeAuditPrivilege	1436	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 3036	4084	revil-fixed.exe	94
PID 4084 wrote to memory of 3036	4084	revil-fixed.exe	94
PID 4084 wrote to memory of 3036	4084	revil-fixed.exe	94

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\revil-fixed.exe
"C:\Users\Admin\AppData\Local\Temp\revil-fixed.exe"
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\SysWOW64\netsh.exe
  netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3036

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2184

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\yfq6y-readme.txt

Filesize
6KB

MD5
59934d72925f554001c345c42b17ad29

SHA1
90a2e0e2570fd3db9260c05996b1893ab1e1bf0e

SHA256
512b6430cb1ac9701281a5ec72c99f189f487bf6a5a7779f70e71668063711b8

SHA512
80c057040a09189909e2d6fd6c03060b4b0f5887bd4c7a54c81d35b3b07a58fe88402a68c3a0e1d672c73ed4f7b83576fd949f4b9f06ae45617342a56a62a569

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads